MallowbyNames

Rooney

ROO-nee · Of debated origin; possibly derived from the Irish surname Ó Ruanaidh, meaning 'descendant of Ruanaidh' (a personal name of uncertain meaning, perhaps 'red' or 'champion').

2025 rank (girls)
#2,214
Babies named in 2025
83
Peak popularity
2024
2025 frequency
1 in 19,365 girls
Usually for
Girls & boys
Trend
Rising since 2011

Rising since 2011, #2,214 for girls today.

Popularity of Rooney since 1943

Babies named Rooney per year in U.S. Social Security records.

34671011960198020002020Most births 2024GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
1940s05
1950s047
1960s037
1970s028
1980s018
1990s013
2000s093
2010s346268
2020s512162

Meaning & origin

Rooney is a surname turned given name that has seen consistent growth since its first recorded use in 2011. As of the latest data (2025), it ranks 2,214th nationally, with a 1-in-19,365 rate of use, and reached a peak rank in 2024. The name has risen steadily, particularly in states like Minnesota, Michigan, and New York. Its Irish origin gives it an appealing heritage, and its similarity to names like Roo and Quinn makes it a fresh choice for parents seeking a unisex option with modern energy despite its surname roots.

Rooney is an Irish surname turned given name, anglicized from the Gaelic Ó Ruanaidh, meaning 'descendant of Ruanaidh'. The personal name Ruanaidh is of uncertain origin but may be related to words for 'red' or 'champion'. It has been used as a first name primarily in recent decades, particularly for girls in the United States, though historically it is a male surname.

Where Rooney is most popular

Births per 100,000 girls by state, 2025. The lightest shade means too few recorded births.

Fewermore per 100k girlstoo few births

Nicknames & variants

Nicknames: Roo

Sibling names for Rooney

Names that share Rooney's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

R is for Rooney, our favorite little person.

R is for Rooney…”

In a Mallowby alphabet book, Rooney's letter becomes Rooney's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Rooney's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Rooney mean?
The meaning of Rooney is uncertain, but it is thought to come from the Irish surname Ó Ruanaidh, possibly meaning 'red' or 'champion'.
How popular is the name Rooney right now?
In the most recent data (2025), Rooney ranked 2,214th in the U.S., with approximately 1 in 19,365 babies given the name. It has risen in popularity since the first recorded use in 2011 and peaked in 2024.
Is Rooney a boy or girl name?
Rooney is used for both boys and girls, but it is more common for girls as a given name in recent U.S. data.